Clinicians affiliated with Glacial Ridge Hospital District

73 clinicians on file with this group · most practice in Minnesota outside metro areas · PAC ID 5294789194

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

48 clinicians affiliated with Glacial Ridge Hospital District are in the 2024 Medicare Part B data, 28 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Certified Registered Nurse Anesthetist (CRNA) (8) · Physician Assistant (8) · Family Practice (7) · Emergency Medicine (5) · Diagnostic Radiology (3) · Nurse Practitioner (3) · Orthopedic Surgery (3) · General Surgery (2) · Otolaryngology (2) · Endocrinology (1) · General Practice (1) · Hospitalist (1) · Internal Medicine (1) · Ophthalmology (1) · Optometry (1) · Physical Medicine and Rehabilitation (1)

Specialty links go to the specialty in Minnesota outside metro areas.

Clinicians affiliated with Glacial Ridge Hospital District, 2024

Alphabetical by last name; 48.

NameSpecialtyCity
Paul C Allegra, MDEmergency MedicineZimmerman, MN
Christopher D Aronson, MDInternal MedicineSaint Cloud, MN
Sara A Botterill, M.D.Physical Medicine and RehabilitationSartell, MN
Lee T Church, M.D.Family PracticeWinnemucca, NV
Dana L Citrowske Lee, CRNACertified Registered Nurse Anesthetist (CRNA)Glenwood, MN
Robert E Citrowske Lee, CRNACertified Registered Nurse Anesthetist (CRNA)Rochester, MN
Mary J Deleon, MDEndocrinologyWenatchee, WA
Daniel P Dewey, MDEmergency MedicineWaconia, MN
John A Dvorak, MDOphthalmologySaint Cloud, MN
Bailey DykemaCertified Registered Nurse Anesthetist (CRNA)Saint Cloud, MN
Robert L Fischer, MDOtolaryngologyMinot, ND
Claire J Fletcher, MDFamily PracticeMarysville, WA
Tanya Freske, CNPNurse PractitionerGlenwood, MN
Castrenze R Fricano, MDEmergency MedicineFergus Falls, MN
Daniel J Gerwing, PA-CPhysician AssistantSaint Cloud, MN
Billie J Grieve, MDGeneral SurgeryGrand Forks, ND
Thomas J Haus, M.D.Family PracticeGlenwood, MN
Leighanne H Houserman, MDGeneral PracticeLittle Falls, MN
Quinn Jacobs, PAPhysician AssistantGlenwood, MN
Martin H Janning, M.D.OtolaryngologyWillmar, MN
Robert Kari, CRNACertified Registered Nurse Anesthetist (CRNA)Minnetonka, MN
Nathan P Kersey, PA-CPhysician AssistantLynnville, TN
Kamran J Khaghany, M.D.Diagnostic RadiologyFargo, ND
Nathan J King, APRN, CRNACertified Registered Nurse Anesthetist (CRNA)Alexandria, MN
Katelyn C Krueger, PA-CPhysician AssistantNew London, MN
Thomas G Lewison, CRNACertified Registered Nurse Anesthetist (CRNA)Montevideo, MN
Peter J Lindbloom, PA CPhysician AssistantOnamia, MN
Gustave L Mellgren, M.D.Family PracticeGlenwood, MN
Annie M Molseed, CRNACertified Registered Nurse Anesthetist (CRNA)Marshall, MN
Robert P Montenegro, M.D.Family PracticeGlenwood, MN
Vali Orandi, MDDiagnostic RadiologyEden Prairie, MN
Thomas E Pahl, PAPhysician AssistantOnamia, MN
Daniel S Paley, M.D.General SurgeryRochester, MN
Susan Passalaqua, M.D.Diagnostic RadiologyGilbert, AZ
Alpit D Patel, MBBSHospitalistMonticello, MN
Nancy L Pesta Walsh, FNP-BCNurse PractitionerFaribault, MN
David E Polzin, M.D.Family PracticeGlenwood, MN
Richard Pretorius, MD, MPHEmergency MedicineIrving, NY
Christopher J Reynolds, DOOrthopedic SurgerySartell, MN
Erik C Rivers, PAPhysician AssistantBloomington, MN
Joseph A Schneiderhan, O.D.OptometryGlenwood, MN
Lauren SecristPhysician AssistantSaint Paul, MN
Joel Shobe, M.D.Orthopedic SurgerySartell, MN
Josie M Syverson, M.D.Family PracticePocatello, ID
Joshua D Thomas, D.O.Orthopedic SurgeryGlenwood, MN
Nathan Tiedeman, DNP, FNP, RNNurse PractitionerSisseton, SD
Billy D Wyatt, MDEmergency MedicineStillwater, MN
Jill ZimmermanCertified Registered Nurse Anesthetist (CRNA)Fargo, ND

Practice locations

Listed practice locations in Minnesota.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations